Electrotype Printing Block Showing a Hollerith Pantograph Card Punch

This electrotype printing block is engraved in metal and attached to a wooden block. It shows a pantograph card punch on the design of Herman Hollerith.
The engraving reads (in reverse print): THE HOLLERITH ELECTRIC TABULATING SYSTEM. It also reads (in reverse): BARTLETT & CO NY. An illustration that may have used a similar block appeared in an 1890 article on the Hollerith tabulating system published in Manufacturer and Builder.
For related objects, see MA*312896 and 2011.3121.01
"Further Details of the Hollerith Electric Tabulating System," Manufacturer and Builder, May 22, 1890, pp. 118–119.
Currently not on view
Object Name
electrotype printing block
date made
ca 1890
Physical Description
wood (overall material)
metal (overall material)
overall: 2.3 cm x 10.5 cm x 5.5 cm; 29/32 in x 4 1/8 in x 2 5/32 in
ID Number
catalog number
accession number
Census, US
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Tabulating Equipment
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of the Hollerith Family

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